[INFO] fetching crate devtimer 4.0.0...
[INFO] testing devtimer-4.0.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate devtimer 4.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate devtimer 4.0.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devtimer 4.0.0
[INFO] finished tweaking crates.io crate devtimer 4.0.0
[INFO] tweaked toml for crates.io crate devtimer 4.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3e20581b815c3339556368017fd2a6448caac7167199e0cf2722e217326b2f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3e20581b815c3339556368017fd2a6448caac7167199e0cf2722e217326b2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e20581b815c3339556368017fd2a6448caac7167199e0cf2722e217326b2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e20581b815c3339556368017fd2a6448caac7167199e0cf2722e217326b2f9", kill_on_drop: false }`
[INFO] [stdout] c3e20581b815c3339556368017fd2a6448caac7167199e0cf2722e217326b2f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa0b8aa68ac48d9aaf51bc79f7d675de2a66d344e12517e030eb22deaddde7d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fa0b8aa68ac48d9aaf51bc79f7d675de2a66d344e12517e030eb22deaddde7d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling devtimer v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "fa0b8aa68ac48d9aaf51bc79f7d675de2a66d344e12517e030eb22deaddde7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0b8aa68ac48d9aaf51bc79f7d675de2a66d344e12517e030eb22deaddde7d0", kill_on_drop: false }`
[INFO] [stdout] fa0b8aa68ac48d9aaf51bc79f7d675de2a66d344e12517e030eb22deaddde7d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b046660441317a7042d4b884b3849ebee7b50f5bc7bd3b2ea38f517fdffadff2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b046660441317a7042d4b884b3849ebee7b50f5bc7bd3b2ea38f517fdffadff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling devtimer v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "b046660441317a7042d4b884b3849ebee7b50f5bc7bd3b2ea38f517fdffadff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b046660441317a7042d4b884b3849ebee7b50f5bc7bd3b2ea38f517fdffadff2", kill_on_drop: false }`
[INFO] [stdout] b046660441317a7042d4b884b3849ebee7b50f5bc7bd3b2ea38f517fdffadff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e7d786a03ff04c77620099daab2880ae9043e020c4874902855473302c44539
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e7d786a03ff04c77620099daab2880ae9043e020c4874902855473302c44539", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/devtimer-ec984e9c75832003
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test check_complex_timer_impl ... ok
[INFO] [stdout] test test_benchmark_impl ... ok
[INFO] [stderr]    Doc-tests devtimer
[INFO] [stdout] test test_simple_timer_impl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] test src/lib.rs - run_benchmark (line 80) ... FAILED
[INFO] [stdout] test src/lib.rs - SimpleTimer::start_after (line 288) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 26) ... FAILED
[INFO] [stdout] test src/lib.rs - ComplexTimer::iter (line 251) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `DevTime`
[INFO] [stdout]  --> src/lib.rs:40:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut dt = DevTime::new_complex();
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use devtimer::DevTime;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - run_benchmark (line 80) stdout ----
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]  --> src/lib.rs:84:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let bench_result = run_benchmark(10, || {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^     -- takes 0 arguments
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        expected closure that takes 1 argument
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let bench_result = run_benchmark(10, |_| {
[INFO] [stdout]   |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0593`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SimpleTimer::start_after (line 288) stdout ----
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `devtimer::DevTime` in the current scope
[INFO] [stdout]  --> src/lib.rs:292:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut timer = DevTime::new();
[INFO] [stdout]   |                              ^^^ function or associated item not found in `devtimer::DevTime`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 26) stdout ----
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]  --> src/lib.rs:31:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let bench_result = run_benchmark(10, || {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^     -- takes 0 arguments
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        expected closure that takes 1 argument
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let bench_result = run_benchmark(10, |_| {
[INFO] [stdout]   |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0593`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ComplexTimer::iter (line 251) stdout ----
[INFO] [stdout] error[E0277]: `std::option::Option<u128>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/lib.rs:256:48
[INFO] [stdout]   |
[INFO] [stdout] 7 |         println!("Timer: {} took {} ns", name, timer.time_in_nanos());
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^^^ `std::option::Option<u128>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<u128>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: required by `std::fmt::Display::fmt`
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 26)
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout]     src/lib.rs - ComplexTimer::iter (line 251)
[INFO] [stdout]     src/lib.rs - SimpleTimer::start_after (line 288)
[INFO] [stdout]     src/lib.rs - run_benchmark (line 80)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6e7d786a03ff04c77620099daab2880ae9043e020c4874902855473302c44539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7d786a03ff04c77620099daab2880ae9043e020c4874902855473302c44539", kill_on_drop: false }`
[INFO] [stdout] 6e7d786a03ff04c77620099daab2880ae9043e020c4874902855473302c44539
